Home / 389,788,261.24-584,756,133.41-156,637,122.93

Finding the Fourth Proportional to 389,788,261.24, 584,756,133.41 and 156,637,122.93

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Solution

The fourth proportional to 389,788,261.24, 584,756,133.41 and 156,637,122.93 is: 234,985,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,788,261.24 : 584,756,133.41 = 156,637,122.93 : x
  2. Step 2: Convert to fraction form
    389,788,261.24/584,756,133.41 = 156,637,122.93/x
  3. Step 3: Cross multiply
    389,788,261.24x = 584,756,133.41 × 156,637,122.93
  4. Step 4: Simplify right side
    389,788,261.24x = 91,594,518,353,013,648
  5. Step 5: Solve for x
    x = 91,594,518,353,013,648/389,788,261.24
  6. Step 6: Final answer
    x = 234,985,317.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.